Package org.opencastproject.assetmanager.impl.persistence

Class VersionClaimDto

java.lang.Object

org.opencastproject.assetmanager.impl.persistence.VersionClaimDto

@Entity(name="VersionClaim")
public class VersionClaimDto
extends Object

Supports the determination of the next free version identifier.

Constructor Summary

Constructors

Constructor	Description
VersionClaimDto()

Method Summary

Modifier and Type	Method	Description
static Function<javax.persistence.EntityManager,Optional<VersionClaimDto>>	findLastQuery(String mediaPackageId)	Find the last claimed version for a media package.
long	getLastClaimed()
String	getMediaPackageId()
static Function<javax.persistence.EntityManager,Integer>	incrementQuery(String mediaPackageId)	Atomically increment the last claimed version of a media package by one.
static VersionClaimDto	mk(String mediaPackageId, long lastClaimed)	Create a new DTO.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

VersionClaimDto

public VersionClaimDto()

Method Details

mk

public static VersionClaimDto mk(String mediaPackageId,
 long lastClaimed)

Create a new DTO.

getMediaPackageId

public String getMediaPackageId()

getLastClaimed

public long getLastClaimed()

findLastQuery

public static Function<javax.persistence.EntityManager,Optional<VersionClaimDto>> findLastQuery(String mediaPackageId)

Find the last claimed version for a media package.

incrementQuery

public static Function<javax.persistence.EntityManager,Integer> incrementQuery(String mediaPackageId)

Atomically increment the last claimed version of a media package by one.

Returns:

the number of rows updated: 1 if a row for this media package already existed, 0 if not.